問題詳情

9. The coat color phenotype of Labrador Retriever mainly has three main colors: black,chocolate and yellow, which are affected by the genes of the unlinked B (black) andE (pigment distribution) loci. What kinds of offspring would you expect from thecross of a black female (BbEe) and a yellow male (Bbee)?
(A) Black, BBEe: 1/8
(B) Yellow, BBee: 1/4
(C) Chocolate, bbEe: 1/16
(D) Yellow, Bbee: 1/8
(E) Black, BbEe: 1/8

參考答案

答案:A
難度:計算中-1
書單:沒有書單,新增

用户評論

【用戶】你到別的地方去耍笨好不好

【年級】高三下

【評論內容】拉布拉多獵犬的毛色表型主要有黑色、巧克力色和黃色三種主色,受未連鎖的B(黑色)和E(色素分佈)基因座基因的影響。 你希望黑人女性 (BbEe) 和黃色男性 (Bbee) 雜交產生什麼樣的後代?